Hepatitis B vaccine is recommended for all babies so that they will be protected from a serious but preventable disease. 让所有的婴孩都接种乙肝疫苗,是为了防止他们感染某种严重的却是可预防的疾病。
Pigs were immunized with hepatitis B vaccine intramuscularly andintracutaneously for five times after every ten days. 采用肌肉和皮内混合免疫方法,将乙肝疫苗给猪接种。